Lock for stop-cocks.



PATENTED APR. 30, 1907. 0. H. THOMPSON.

LOOK FOR STOP COCKS;

APPLIOATION I'ILED JULYSO, 1906.

' aturning -valve'or plug 4 therein,'which is To all whom it mayconcern:

Prime eerie-E.

CHARLES H. THOMPSON, or MUNOIE, INDIANA.

LOCK FQR STOP-COCKS.

Specification of Letters Patent.

Patented. April 30, 1907.

Amilication filed July 30,1906. Serial No. 328,409.

Be it known that I, CHARLES H. THOMP- SON, a citizen of the UnitedStates, residing at Muncie, in the county of Delaware and State ofIndiana, have invented a new and useful Lock for Stop-Cocks, of whichthe followingfs a specification. 1 V The invention relates to-ineans forlocking the stop cocks of air pipes, and the like against accidental orunwarranted movement, and

j the principal object is to provide an exceedingly simple article ofthis character, which can be readily applied to. the ordinary type ofstructure, will constitiiteraneffective lock for preventin ,the turning.of the valve or cock, and can e easily detached iffd esi t ed.

The, preferred form of construction-is I ,shown in the accompanyingdrawings, where "Figure 1 is a "side elevation ofithe turn- Cook of an;air brake pipe, showing the locking means applied thereto, *Fig. 2 is across sectional view on; the line 2-2 ofFig. 1. F ig. 3-is alongitudinal sectional view through a portion of the structure.

- Similar reference numerals designate corresponding parts ,in all theiigures of the drawings. The cock may be of any Well known form orstructure, and includes acasing 3, having operated by a handle crank 5'arranged to 1 annular channel 6*.

The locking device cOiisiQBZof a-pair of jaws 6, pivotally connectedat;one end, as shown at 7, and having eyes or openings 8 at their otherends, adapted to receiifga.- the hasp 9 of a padlock 10. The portionsoij the aws, contiguous to the pivoted ends';- are owed outwardly,as;,shown at 11 and thereby form a pi pereceiving.seat :12 that islocated partlyqiin each jaw.. "fThe portions :-of' the aws, contiguousto their free ends, are bowed or extended outwardly, as-shown at I so .and receiving the handle 5. v One 'of the 13 to form a transverse"handle deceiving seat '14 that is also lomted partially in each jaw,extending entirely through the same,

' jaws may vfurthernriore be provided "with an car 15 to receive'aholding ch aim or cord that will prevent the device being loshwhen notinuse. a .2 A

As clearly shown in the drawings, tolock the stop cock against rotation,the jawsare arranged so that they will eml race both the pipe and thehandle, said. pipe and handle and 14, and the howedportions 11 beingreceived in the channelG. A suitable padlock or other fastener is thanengaged in the eyes 8, and effectively secures the jaws toe gether. Whenso arranged, it will be evident that the handle will be positivelylocked against rotation, and the stop cock is warranted operation;Moreover, the looking device being located in the'channel is heldagainstmovement longitudinally of the .pipe.

Fron the foregoing, it is thought that the tages of the herein describedinvention'wvill be apparent to those skilled in the art, without furtherdescription, and it will be understood that various'changes in thesize,shape,

proportion, and minor details of construe tion, may be'resorted towithout? departing from the spirit or sacrificing any of the advantagesof the invention. 7

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is

1. A locking device of the character de scribed, comprising relativelymovable pipeembracing jaws having a transversely disposedhandle-receiving seat between them, said seat being formed partly ineach jaw and comprising transversely coa'cting sockets arranged in theirinner opposed faces and extending entirely across said faces fromedge toedge, and means for securing the jaws together.

scribed, comprising hingedly connect fzd aws having outwardly bowedportions contiguous to one end, forininga transverse pipereceiving andoutwardly bowed portions contiguous to the other end, forming atransverse handle-receiving "seat, said jaws having abutting portionsbetween the seats and also having lock-receiving eyes or open- 2. In alocking device of the character described, the combination with the ipe,of a turning valve located'therein and having an oilset handle adaptedto be placed longitudimall'y 0% 1 with an annular channel disposed atone side thus maintained against accidental or unconstructiomuoperation, and many advan- 2. A locking device of thecharacter de being respectively received in the seats 12 the pipe, saidpipe being provided 1 of the valve, and a locking device comprisingjawsthat'em trace the pipe at one side of the valve and are located in thechannel, said jaws also embracing the handle of the turning valve.

4. In a locking device of the character described, the combination witha pipe having an annular channel formed in its outer side, of a turningvalve located in the pipe at one side of the channel and having a handlethat is movaiile to a position longitudinally of the pipe andtransversely of the annular channel, and a locking device located at oneside CHARLES H. THOMPSON. YVitnesses:

ANNIE E. CURRY, W. D. WHITNEY.

